Create dfs_simulate_radar debugfs in ath12k debugfs directory.
Usage:
echo 1 > /sys/kernel/debug/ath12k/pci-0000:06:00.0/mac0/dfs_simulate_radar
This debugfs helps user to simulate RADAR interference in run time.
Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.0.1-00029-QCAHKSWPL_SILICONZ-1
Signed-off-by: Ramya Gnanasekar <quic_rgnanase@xxxxxxxxxxx>
---
drivers/net/wireless/ath/ath12k/debugfs.c | 29 +++++++++++++++++++++++
1 file changed, 29 insertions(+)
diff --git a/drivers/net/wireless/ath/ath12k/debugfs.c b/drivers/net/wireless/ath/ath12k/debugfs.c
index 65f3c8bf3f10..8d8ba951093b 100644
--- a/drivers/net/wireless/ath/ath12k/debugfs.c
+++ b/drivers/net/wireless/ath/ath12k/debugfs.c
@@ -7,6 +7,29 @@
#include "core.h"
#include "debugfs.h"
+static ssize_t ath12k_write_simulate_radar(struct file *file,
+ const char __user *user_buf,
+ size_t count, loff_t *ppos)
+{
+ struct ath12k *ar = file->private_data;
+ int ret;
+
+ mutex_lock(&ar->conf_mutex);
+ ret = ath12k_wmi_simulate_radar(ar);
+ if (ret)
+ goto exit;
+
+ ret = count;
+exit:
+ mutex_unlock(&ar->conf_mutex);
+ return ret;
+}
+
+static const struct file_operations fops_simulate_radar = {
+ .write = ath12k_write_simulate_radar,
+ .open = simple_open
+};
+
void ath12k_debugfs_soc_create(struct ath12k_base *ab)
{
bool dput_needed;
@@ -58,4 +81,10 @@ void ath12k_debugfs_register(struct ath12k *ar)
/* Create a symlink under ieee80211/phy* */
scnprintf(buf, sizeof(buf), "../../ath12k/%pd2", ar->debug.debugfs_pdev);
debugfs_create_symlink("ath12k", hw->wiphy->debugfsdir, buf);
+
+ if (ar->mac.sbands[NL80211_BAND_5GHZ].channels) {
+ debugfs_create_file("dfs_simulate_radar", 0200,
+ ar->debug.debugfs_pdev, ar,
+ &fops_simulate_radar);
+ }
}
--
2.34.1
